SECURITY-OPS: add missing method

Co-authored-by: Dora Kaszasne Sztanko <[email protected]>

Author: Borcsa134

src/ClientInterface.php

@@ -7,4 +7,6 @@ interface ClientInterface
     public function isValid(string $id): bool;
 
     public function filterInvalid(array $msids): array;
+
+    public function getSessionData(string $sessionDataToken): array;
 }